Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Core Chip | STC89C52RC / ATmega32 (Selectable) |
| Architecture | 8-bit 51/AVR Microcontroller |
| Operating Voltage | 5V DC |
| Clock Frequency | 11.0592MHz / 16MHz |
| Flash Memory | 8KB to 32KB (Dependent on chip) |
| SRAM | 256 Bytes to 2KB |
| I/O Ports | 32 Programmable I/O Lines |
| Interface Type | ISP, UART, SPI, I2C |
| Board Dimensions | 85mm x 55mm x 15mm |
| Application | Education, Prototyping, Industrial Control |
Anonymous
Mar 30, 2026
Rating: 5/5
Great starter kit
Bought this for my university lab. Students find it very easy to interface with sensors and LEDs. The dual support for 51 and AVR makes it versatile for different curriculum requirements.
Anonymous
Mar 16, 2026
Rating: 5/5
Perfect for learning embedded systems
This board is exactly what I needed to refresh my knowledge on 51 architecture. The pinout is clearly labeled, and it works seamlessly with standard programmers. Great value for students.
Anonymous
Mar 16, 2026
Rating: 4/5
Does the job
Simple, no-frills development board. It lacks some modern features like onboard debugging, but for the price point and its intended educational purpose, it performs perfectly.
Anonymous
Mar 12, 2026
Rating: 5/5
Reliable for prototyping
We use these boards in our makerspace for introductory workshops. They are robust enough to handle beginner mistakes and cheap enough to replace if something goes wrong. Highly recommended.
Anonymous
Mar 04, 2026
Rating: 4/5
Solid build quality
The PCB feels sturdy and the components are well-soldered. I used the ATmega32 version for a small automation project. Only minor issue was the lack of a detailed schematic in the box, but found it online easily.
Anonymous
Mar 01, 2026
Rating: 4/5
Good compatibility
Works well with Keil and AVR Studio. The reset button is responsive and the crystal oscillator seems stable. Would recommend buying a separate USB-TTL adapter if you don't have one already.
Q: Can I use Arduino IDE with the ATmega32 version of this board?
A: Yes, the ATmega32 variant is compatible with the Arduino IDE, though you may need to install specific board definitions or cores depending on your setup configuration.
Q: Does this board come with a USB cable for programming?
A: No, the board typically requires a separate USB-to-TTL serial adapter or an ISP programmer, which are sold separately. Please check the product package contents list for specifics.
Q: What is the maximum current output per I/O pin?
A: For the STC89C52RC, each I/O pin can typically source/sink up to 20mA, but the total current for all ports should not exceed specified limits in the datasheet. Always refer to the specific chip datasheet for safe operating conditions.
Q: Does this support 3.3V logic levels?
A: No, this board operates strictly at 5V logic levels. Connecting it directly to 3.3V devices without a level shifter may damage the microcontroller or result in communication errors.
Q: Is the crystal oscillator replaceable if I need a different frequency?
A: Yes, the board uses a standard socketed crystal oscillator. You can carefully remove it and replace it with another compatible frequency, provided your code and fuse settings are adjusted accordingly.
French Imported Arches Watercolor Paper, Handmade Cotton Pulp 300g Full/Half/4K/8K/16K/32K Rough/Medium/Fine Grain, 185g Cotton Pulp for Postcards and Watercolor Books
$20.80
![[Official Authentic] Zichao Bear Wanda Cinema Popcorn Acrylic Keychain Plush Doll Cute Toy](https://www.gosteppe.com/cache/small/product/269355/legacy-main-ae40bf0d9a6007e2f30a9130.webp)
[Official Authentic] Zichao Bear Wanda Cinema Popcorn Acrylic Keychain Plush Doll Cute Toy
$25.40
Heidelberg Printing Press Automatic Blanket Wash Cloth - Non-Woven Cleaning Fabric, 500m Roll
$3,185.00
Bucket Pack Natural Wood Colored Pencils Water-Soluble for Kids Coloring and Doodling
$6.65
Chunfei Grocery Store Yunm'an GR02 Gravel Bike - Thru-Axle Disc Brake, Lightweight Touring with Multiple Rack Mounts
$6,444.00
Variable Frequency Drive Power Board ZPOW-591 for ACS880
$2,200.00
Professional Sketching Eraser Kit - Blending Stumps, Sponges, and Paper Tortillons for Highlight & Shadow Correction
$3.90
Weighted Water Bag with Handle, Thickened PV Mesh Gravity Ballast for Banner Stand Fixation (8KG)
$35.10
Ultra-Fine Purification Lint-Free Cloth Cleaning Cloth Lens Wipe High Quality 0730 Water-Absorbing Dust Removal UV Nozzle 100 Sheets
$96.00
Wen Zhengming Small Regular Script Calligraphy Cards: Li Sao Jing, Thousand Character Classic, Qin Fu, Cao Tang Shi Zhi, Qing Jing Jing, Record of the Drunken Pavilion, Red Cliff Ode
$59.00
Zhizhi Manshu Zhao Mengfu Small Regular Script Collection of Ancient Classics (Vol. 1) - Calligraphy Copybook, Brush Writing Cards, Foldable Practice Cards
$49.00
Language of Drums Motion Path Set - Essential Creativity and Rhythm Teaching Material for Drum Kits and Jazz Drums
$59.14
onlycook Sink Drain Basket, Faucet-Mounted Food Residue Separator and Washing Strainer - 1 Pack
$14.10
Heavy-Duty Wiper Arms and Blades for Trucks and Agricultural Vehicles - Universal Replacement Wiper Rubber Strips
$5.50
Bus Adapter FEPL-02 for ABB Variable Frequency Drive
$1,230.00
Baby National Trend Rattle Toy – Chewable Silicone, Easy-Grip Handle, Soft Sound for Early Learning
$19.90
Palace Museum Creative Stationery: Light & Shadow Graffiti Coloring Book - Exquisite DIY Children's Gift, Ancient Style Watercolor Set for Boys and Girls, Early Learning Art Toy
$29.70
Dongyi Study Room Antique Brass Water Pot, Brush Washer Basin, and Small Spoon Set for Calligraphy (3-Piece)
$33.10
![[Deposit Only] Slightly Round Mid-Heel Shoes – Matte Lambskin Puff Lolita Bow Pumps](https://www.gosteppe.com/cache/small/product/269338/legacy-main-1108a4ac9d29ca837505d228.webp)
[Deposit Only] Slightly Round Mid-Heel Shoes – Matte Lambskin Puff Lolita Bow Pumps
$38.00
Chunfei Grocery Store Yunan GR02 Gravel Bike with Thru-Axle Disc Brakes, Lightweight Touring Setup with Multiple Rack Mounts
$8,934.00
5A Natural Madagascar Rose Quartz Loose Beads, Pink Crystal Rhodonite Single Beads for DIY Jewelry Making Accessories
$0.70
Mini Portable Sketchbook - Blank Pocket Notebook for Doodling, Sketching, Watercolor, Acrylic, and Marker Art - Square Hand-Drawn Journal
$5.53
Kitchen Sink Drain Mat with Raised Slope - Splash-Proof Countertop Organizer for Faucet Areas
$9.00
Front Wheel Bearing for Hyundai Mistra - Mingtuo Brand - Also Fits Hyundai Sonata and Kia Opirus - Front and Rear Auto Bearings
$275.00
White Crystal Loose Beads Donghai Agate Gemstone Gold Rutilated Quartz Obsidian Bracelet Strand Aquamarine Amethyst Single Bead
$8.42
Kids Art DIY Stamp Kit - Round Sponge Daubers, Mushroom Head Stamps, and Paint for Graffiti
$2.44
YP8 YP-80000 Book Block Pressing Machine Supply Robust Structure Reliable Application
$23,790.00
Feileniao Four Seasons Flowers Line Drawing Atlas - Chinese Ink Painting Guide for Brush Beginners
$39.90
365 Days! Drummer Training Plan - Beginner Self-Study Guide for Drum Kits and Jazz Drums with Tutorial Audio
$55.00
New Rechargeable Electric Incense Making Machine – Compact Home Device for Extruding Coil, Sandalwood, and Stick Incense, Manual Incense Crafting Equipment
$268.00
![[Youxin Electronics] GP2Y0E03 Infrared Distance Sensor Module 4-50cm Range](https://www.gosteppe.com/cache/medium/product/74667/legacy-main-4da8cadc5fc82afe91b124e3.webp)
![[Trial Pack] Xianlang Complete Cat Treat Sticks Meal Packs Main Course Cans Freeze-Dried Cat Food Sample Snacks Gift Set](https://www.gosteppe.com/cache/medium/product/208273/legacy-main-9ec245ebf781f65a434ba854.webp)
